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Hollyhock: Jet Black

Regular price £0.59 GBP
Regular price Sale price £0.59 GBP
Sale Sold out
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Approximately 20 Seeds

A stunning variety of hollyhock that bears dark, almost black flowers and reaches a height of around five feet.

  • Days To Germination: 14-21.
  • Optimum Soil Temp. For Germination: 65F.
  • Planting Depth: 1/16 inch.
  • Spacing, Seed: 2-3 inch.
  • Spacing, Plant: 18 to 24 inches.
  • Plant Height: 3-5 Feet.
  • Light: Full Sun.
  • Sow in pots/ trays from early spring to late summer germinating at a minimum of 65F.
  • Alternatively sow directly in soil after all danger of frost has passed to a depth of 1/16 of an inch and cover with fine soil.
  • Keep soil moderately moist during germination.
  • When 2-3 inches, thin to 18 to 24 inches apart, transplant thinning’s.
  • Feed during the Spring.
  • Cut established plants back after blooming.